I’d also look at rental sites and see what comparable properties are renting at to get another data point.  

Or is there some kind of data gathering companies I could try?

I have a template i pulled off the internet. i suppose i should have it looked at by an attorney to ensure it affords me all the legal protection i need.

And they make sure that the seller follow their disclosure requirements or ensure that buyers complete their due diligence and generally facilitate the transaction.

Make sure you have conservative assumptions supported by market data. 

Not sure what data the trulia crime map is based on but there are other websites that provide detailed crime statistics of a given area. city-data is one of them.

If it’s not too late ensure it’s in the paperwork on purchase.

I'm curious of the best method to ensure I can get the information out to potential vacation renters specially for those gaps. 

What it entails is calculating that 1) your property will continue to cash flow positive during the recession 2) ensuring you're buying in an area that will not drastically impact your house purchase price (in other words, the price drop will be insignificant enough and will recover quickly in a few years).

So I just purchased my first list from Melissa data on absentee owners.